K282 Dual USB 3.0 for 10x faster file transfer and 2x faster phone/tablet charging Front mesh panel and air vents for optimized cooling Supports up to three 120mm fans (2 pre-installed), including one 120mm red LED fan in the front Side panel with fan mounting to cool the VGAs (KKN1) Large side panel window (KWN1) Supports high-end graphics cards up to 315mm / 12.4 inch long Supports up to 7 HDDs for great expandability